525535752280 has 384 divisors, whose sum is σ = 1514942352000. Its totient is φ = 160579584000.

The previous prime is 525535752263. The next prime is 525535752281. The reversal of 525535752280 is 82257535525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525535752281) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 372984216 + ... + 372985624.

It is an arithmetic number, because the mean of its divisors is an integer number (3945162375).

Almost surely, 2^525535752280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525535752280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757471176000).

525535752280 is an abundant number, since it is smaller than the sum of its proper divisors (989406599720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525535752280 is a wasteful number, since it uses less digits than its factorization.

525535752280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 4200000, while the sum is 49.

The spelling of 525535752280 in words is "five hundred twenty-five billion, five hundred thirty-five million, seven hundred fifty-two thousand, two hundred eighty".